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Message: [QUOTE="Morgan@Midwest Diesel & Auto, post: 948044, member: 8143"] Anything under 1.5-1 BP to boost is ok. Obviously 1-1 is best but not physically possible. Some free flowing singles will run 1.1-1.2 to 1 BP to boost but that makes for usually not the most street able charger. That's where compounds come into play. Driving a smaller charger without causing a restriction ending with high BP makes a wastegate the most valuable tool. A guy once told me for every psi of BP more than boost created you lose xx hp. I wish I remembered that number. But that's why a truck making 45-40 BP to boost is making more power than the same truck @ 75-50 BP to boost. The extra strain more BP puts on the system robs hp big time. The only way to find your trucks sweet spot will be dyno tuning it to its best hp/boost/BP range. More boost doesn't always mean more hp. Sorry just felt like talking. Anyway......... The truck looks great and I can't wait to see some numbers when it hits the rollers. [/QUOTE]

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